CN212290030U - Front cross beam of auxiliary frame, auxiliary frame and auxiliary frame assembly - Google Patents
Front cross beam of auxiliary frame, auxiliary frame and auxiliary frame assembly Download PDFInfo
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- CN212290030U CN212290030U CN202020278032.9U CN202020278032U CN212290030U CN 212290030 U CN212290030 U CN 212290030U CN 202020278032 U CN202020278032 U CN 202020278032U CN 212290030 U CN212290030 U CN 212290030U
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- cross beam
- front cross
- vehicle frame
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Abstract
In order to solve the problem that sub vehicle frame structure dynamic stiffness is low, the utility model provides a front beam, sub vehicle frame and sub vehicle frame assembly of sub vehicle frame, the front beam of sub vehicle frame includes: the beam main body is of an integrally formed structure and is provided with a first through hole and a second through hole, and the first through hole and the second through hole penetrate through the top surface and the bottom surface of the beam main body; the first mounting piece is used for connecting a left suspension of the vehicle and arranged in the first through hole; and the second mounting piece is used for connecting the right suspension of the vehicle and is arranged in the second through hole. The utility model uses the hydraulic forming process to manufacture the front beam, the manufacturing precision is high, and the dynamic rigidity of the front beam is improved; the front cross beam adopts a hydraulic forming process, and the weight is about 10 percent lighter than that of the traditional upper and lower plate welding assembly; the threaded sleeve penetrates through the beam main body and is welded on the beam main body, and the threaded sleeve and the beam main body form an integral structure, so that the rigidity of the front beam can be effectively improved, and the left and right suspension vibration isolation rates are further improved.
Description
Technical Field
The utility model relates to a vehicle structure field especially relates to a front beam, sub vehicle frame and sub vehicle frame assembly of sub vehicle frame.
Background
The power assembly of the electric vehicle is stronger and faster than the power output of a fuel vehicle, and the arrangement form of the suspension of more and more electric vehicles at present is required to be changed from a three-point suspension type to a three-point lifting type. Referring to fig. 1 and 2, in the existing front subframe front cross beam mounting structure, a front cross beam upper plate 1 and a front cross beam lower plate 2 are connected by welding, and a welding nut 3 is welded on the front cross beam upper plate 1 or the front cross beam lower plate 2 to provide a mounting point for peripheral parts.
Therefore, it is necessary to provide a structure to solve the problem of low dynamic stiffness of the conventional subframe structure.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that sub vehicle frame structure dynamic stiffness is low, the utility model provides a front beam, sub vehicle frame and sub vehicle frame assembly of sub vehicle frame, the utility model discloses specifically be realized with following technical scheme.
The utility model provides a pair of front beam of sub vehicle frame, include:
the beam main body is of an integrally formed structure and is provided with a first through hole and a second through hole, and the first through hole and the second through hole penetrate through the top surface and the bottom surface of the beam main body;
a first mounting member for connecting a left suspension of a vehicle, the first mounting member being disposed in the first through hole;
a second mount for connecting a right suspension of a vehicle, the second mount being disposed in the second through hole.
The utility model discloses the further improvement of the front beam of sub vehicle frame lies in, the crossbeam main part is the hydroforming structure.
The utility model discloses the front beam's of sub vehicle frame further improvement lies in, first installed part with the second installed part is the sleeve pipe, the sleeve pipe is equipped with the internal thread.
The utility model discloses further improvement of the front beam of sub vehicle frame lies in, the sleeve pipe weld in the crossbeam main part.
The utility model discloses further improvement of the front beam of sub vehicle frame lies in, the sheathed tube both ends weld respectively in the top surface and the bottom surface of crossbeam main part.
The utility model discloses the front beam's of sub vehicle frame further improvement lies in, the crossbeam main part is including the first connecting portion that is used for connecting sub vehicle frame left side longeron and the second connecting portion that is used for connecting sub vehicle frame right side longeron, first through-hole with the second through-hole is located respectively first connecting portion with the second connecting portion.
The utility model discloses further improvement of the front beam of sub vehicle frame lies in, the quantity of first through-hole with the quantity of second through-hole is two.
Furthermore, the utility model also provides a sub vehicle frame, include: the left longitudinal beam, the right longitudinal beam, the rear cross beam and the front cross beam are arranged on the frame, two ends of the left longitudinal beam are connected to the front cross beam and the rear cross beam respectively, and two ends of the right longitudinal beam are connected to the front cross beam and the rear cross beam respectively.
Furthermore, the utility model provides a sub vehicle frame assembly, including left suspension, right suspension and foretell sub vehicle frame, left side suspension connect in the left longeron and the first installed part of sub vehicle frame, right side suspension connect in the right longeron and the second installed part of sub vehicle frame.
The utility model discloses the further improvement of sub vehicle frame assembly lies in, first installed part with the second installed part is the sleeve pipe, the sleeve pipe is equipped with the internal thread, the left side suspension pass through bolt spiro union in first installed part, the right side suspension pass through bolt spiro union in the second installed part.
Adopt above-mentioned technical scheme, the utility model provides a pair of front beam, sub vehicle frame and sub vehicle frame assembly of sub vehicle frame has following beneficial effect:
(1) the front cross beam is manufactured by using a hydraulic forming process, so that the manufacturing precision is high, and the dynamic stiffness of the front cross beam is improved;
(2) the front cross beam adopts a hydraulic forming process, and the weight is about 10 percent lighter than that of the traditional upper and lower plate welding assembly;
(3) the threaded sleeve penetrates through the beam main body and is welded on the beam main body, and the threaded sleeve and the beam main body form an integral structure, so that the rigidity of the front beam can be effectively improved, and the left and right suspension vibration isolation rates are further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a conventional front subframe structure.
Fig. 2 is a schematic view of a connection structure between a weld nut and a front cross member upper plate in a conventional front subframe structure.
Fig. 3 is a schematic structural view of a front cross member of an auxiliary frame provided in embodiment 1 of the present invention.
Fig. 4 is a schematic view of a connection structure between the first mounting member and the beam main body in embodiment 1 of the present invention.
Fig. 5 is a schematic structural diagram of an auxiliary frame provided in embodiment 2 of the present invention.
The automobile front cross beam comprises a front cross beam upper plate 1, a front cross beam lower plate 2, a welding nut 3, a front cross beam 50, a cross beam main body 51, a first mounting piece 61, a second mounting piece 62, a first connecting part 501, a second connecting part 502, a left longitudinal beam 71, a right longitudinal beam 72, a rear cross beam 73 and an auxiliary frame 80.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In order to solve the problem that sub vehicle frame structure dynamic stiffness is low, the utility model provides a front beam, sub vehicle frame and sub vehicle frame assembly of sub vehicle frame, the utility model discloses specifically be realized with following technical scheme.
Example 1:
as shown in fig. 3 and 4, the front cross member 50 of the subframe according to the present embodiment 1 includes: the beam main body 51 is of an integrally formed structure, the beam main body 51 is provided with a first through hole and a second through hole, and the first through hole and the second through hole penetrate through the top surface and the bottom surface of the beam main body 51; a first mounting piece 61 for connecting a left suspension of the vehicle, the first mounting piece 61 being provided in the first through hole; a second mounting member 62 for attachment to the right suspension of the vehicle, the second mounting member 62 being disposed in the second through hole.
In the present embodiment 1, the first mounting piece 61 is provided in the first through hole, and the second mounting piece 62 is provided in the second through hole, whereby the first mounting piece 61 and the second mounting piece 62 are both mounted on the cross member main body 51, and the first mounting piece 61 and the second mounting piece 62 are used to provide mounting points on the front cross member 50 for suspension of the vehicle. The vehicle suspension comprises a left suspension and a right suspension, and the vehicle suspension can be directly connected to the first mounting piece 61 or the second mounting piece 62, so that the vehicle suspension is connected to the front cross beam 50 to realize a lifting type suspension mounting mode.
In the embodiment 1, the front cross beam 50 is an integrally formed structure, so that the manufacturing precision is high and the rigidity is high; the first mounting member 61 and the second mounting member 62 form an integral structure with the beam main body 51, so that the rigidity of the front beam 50 can be effectively improved, and the left and right suspension vibration isolation rates can be further improved.
Further, the cross member main body 51 is a hydroformed structure.
Further, the first mounting element 61 and the second mounting element 62 are both sleeves, which are provided with an internal thread. In this embodiment 1, the vehicle suspension may be screwed to the bushing by a bolt.
Further, the sleeve is welded to the cross beam main body 51.
Further, both ends of the sleeve are welded to the top and bottom surfaces of the cross beam main body 51, respectively.
In this embodiment 1, the front cross member 50 is formed by a steel tube hydroforming process, and threaded sleeves penetrate through the upper and lower surfaces of the cross member body 51 and are welded thereto. The hydraulic forming process has the characteristics of high precision and high rigidity, and the beam is integrated by welding the threaded sleeve, so that the rigidity of the front beam 50 can be improved, and the vibration isolation rate of the left suspension and the right suspension is further improved. The front cross beam 50 adopts a hydraulic forming process, so that the welding seam overlapping edges and welding seams can be reduced, and the weight is about 10 percent lighter than that of the traditional upper and lower plate welding assembly cross beam.
Further, the cross beam main body 51 includes a first connecting portion for connecting the left side member of the sub frame 80 and a second connecting portion for connecting the right side member of the sub frame 80, and the first through hole and the second through hole are respectively provided in the first connecting portion and the second connecting portion. In the present embodiment 1, the position of the first through hole corresponds to the mounting position of the left suspension, and the position of the second through hole corresponds to the mounting position of the right suspension.
Furthermore, the number of the first through holes and the number of the second through holes are both two.
In this embodiment 1, left suspension and right suspension are equipped with three mounting point respectively, and one of them mounting point is located the longeron, and two other mounting points all are located front beam 50, and two first through-holes in this embodiment 1 provide two mounting points for left suspension on front beam 50, and two second through-holes provide two mounting points for right suspension on front beam 50.
Example 2:
as shown in fig. 5, the present embodiment 2 provides a subframe 80, which includes a left longitudinal beam 71, a right longitudinal beam 72, a rear cross beam 73 and the above front cross beam 50, wherein two ends of the left longitudinal beam 71 are connected to the front cross beam 50 and the rear cross beam 73 respectively, and two ends of the right longitudinal beam 72 are connected to the front cross beam 50 and the rear cross beam 73 respectively. In the present embodiment 2, the left longitudinal beam 71 is connected to the first connecting portion 501 of the front cross beam 50, the right longitudinal beam 72 is connected to the second connecting portion 502 of the front cross beam 50, and one mounting point for suspending the vehicle is provided on each of the left longitudinal beam 71 and the right longitudinal beam 72.
Example 3:
this embodiment 3 provides a sub vehicle frame assembly, including left suspension, right suspension and the above-mentioned sub vehicle frame 80, left suspension is connected in sub vehicle frame 80's left longeron and first installed part 61, and right suspension is connected in sub vehicle frame 80's right longeron and second installed part 62.
Further, the first mounting element 61 and the second mounting element 62 are both sleeves provided with internal threads, the left suspension is bolted to the first mounting element 61 by bolts, and the right suspension is bolted to the second mounting element 62 by bolts.
The front cross beam 50 is manufactured by the hydraulic forming process, so that the precision is high and the rigidity is high; the threaded sleeve penetrates through the beam main body 51 and is welded to the beam main body 51 to form an integral structure with the beam main body 51, so that the rigidity of the front beam 50 can be effectively improved, and the left and right suspension vibration isolation rates can be improved; the front cross beam 50 is formed by hydraulic forming, and the weight of the front cross beam is about 10% lighter than that of a traditional upper and lower plate welding assembly cross beam.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A front cross member of a sub-frame, comprising:
the cross beam comprises a cross beam main body (51), wherein the cross beam main body (51) is of an integrally formed structure, the cross beam main body (51) is provided with a first through hole and a second through hole, and the first through hole and the second through hole penetrate through the top surface and the bottom surface of the cross beam main body (51);
a first mounting piece (61) for connecting a left suspension of a vehicle, the first mounting piece (61) being provided in the first through hole;
a second mounting member (62) for connecting a right suspension of a vehicle, the second mounting member (62) being disposed in the second through hole.
2. The front cross member of the subframe of claim 1 wherein: the beam main body (51) is of a hydraulic forming structure.
3. The front cross member of the subframe of claim 1 wherein: the first mounting part (61) and the second mounting part (62) are both sleeves, and the sleeves are provided with internal threads.
4. The front cross member of the subframe of claim 3 wherein: the sleeve is welded to the cross beam main body (51).
5. The front cross member of the subframe of claim 4 wherein: the two ends of the sleeve are respectively welded on the top surface and the bottom surface of the beam main body (51).
6. The front cross member of the subframe of claim 1 wherein: the beam main body (51) comprises a first connecting portion (501) used for connecting an auxiliary frame left longitudinal beam (71) and a second connecting portion (502) used for connecting an auxiliary frame right longitudinal beam (72), and the first through hole and the second through hole are respectively formed in the first connecting portion (501) and the second connecting portion (502).
7. The front cross member of the subframe of claim 6 wherein: the number of the first through holes and the number of the second through holes are both two.
8. A subframe, comprising: left longitudinal beam (71), right longitudinal beam (72), rear cross beam and front cross beam (50) according to any one of claims 1 to 6, both ends of the left longitudinal beam (71) being connected to the front cross beam (50) and the rear cross beam, respectively, and both ends of the right longitudinal beam (72) being connected to the front cross beam (50) and the rear cross beam, respectively.
9. A subframe assembly comprising a left suspension connected to a left longitudinal member (71) and a first mounting member (61) of the subframe, a right suspension connected to a right longitudinal member (72) and a second mounting member (62) of the subframe, and the subframe of claim 8.
10. The subframe assembly of claim 9 wherein said first mounting member (61) and said second mounting member (62) are each sleeves, said sleeves being internally threaded, said left suspension being bolted to said first mounting member (61) and said right suspension being bolted to said second mounting member (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020278032.9U CN212290030U (en) | 2020-03-09 | 2020-03-09 | Front cross beam of auxiliary frame, auxiliary frame and auxiliary frame assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020278032.9U CN212290030U (en) | 2020-03-09 | 2020-03-09 | Front cross beam of auxiliary frame, auxiliary frame and auxiliary frame assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212290030U true CN212290030U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020278032.9U Active CN212290030U (en) | 2020-03-09 | 2020-03-09 | Front cross beam of auxiliary frame, auxiliary frame and auxiliary frame assembly |
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| Country | Link |
|---|---|
| CN (1) | CN212290030U (en) |
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- 2020-03-09 CN CN202020278032.9U patent/CN212290030U/en active Active
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